Graded Market · 32 completed sales
Mewtwo & Mew GX - SM191 graded prices.
Prices are grouped by grading company and numeric score. Label era, special designations and authenticity are not established by these aggregates.
As of October 28, 2026, Mewtwo & Mew GX - SM191 (SM Black Star Promos #SM191) in PSA 10 sells for a median of $1,575.00, based on 32 real eBay completed sales.
Across SM Black Star Promos, PSA 10 copies sell for 19.6× their raw reference price on average (17 cards, 133 PSA 10 completed sales tracked).
PSA · Mewtwo & Mew GX - SM191
| Grade | Median | Sales | vs Raw |
|---|---|---|---|
| Grade 10 | $1,575.00 | 23 | — |
| Grade 9 | $485.00 | 9 | — |
Medians of real eBay completed sales per grade; small sample sizes deserve caution. Prices are dated reference values — cite them with the as-of date above. Attribution: CardIntel (cardintel.io). See the methodology.